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Subarray Processing for Projection-based RFI Mitigation in Radio Astronomical Interferometers

  • Authors: Mitchell C. Burnett, Brian D. Jeffs, Richard A. Black, and Karl F. Warnick

2018 The Astronomical Journal 155 146.

  • Provider: AAS Journals

Caption: Figure 4.

Illustration of the effectiveness of subspace projection on the ngVLA at a center frequency of 2.6 GHz and a processing bandwidth of 20 kHz. Increasing the number of elements included in the subspace estimation process also increases the number of elements at longer effective projected baseline. With a large number of elements at longer baselines, subspace projection becomes less effective at providing cancellation to the RFI.

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